- How can I check that SMTP Plesk service is running OK on the server?
- How do I verify that my server is not acting as an open relay?
- Parallels Plesk Panel is overloaded with spam messages because it is working as an open relay
- Plesk mail queue filled full with FAILURE NOTICE messages to strange addresses (qmail stuck, bounce back, reject)
- The server is saturated with SPAM. There are many messages in the queue. The mail is sent slowly
Spam e Open relay
31 Ottobre 2013